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2,177
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Media Type
1
collections
1,978
texts
125
movies
47
images
24
audio
1
concerts
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Availability
2,115
Always Available
56
Available to Borrow
6
Waitlist
Topics & Subjects
1,330
HELICOPTERS
1,095
NASA Technical Reports Server (NTRS)
567
DTIC Archive
323
*HELICOPTERS
243
ROTARY WINGS
135
MATHEMATICAL MODELS
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Collection
1,095
NASA Network Resource and Training Site
567
Defense Technical Information Archive
141
NASA Technical Documents
68
American Libraries
62
Borrow in Browser
62
Internet Archive Books
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Creator
1,095
nasa technical reports server (ntrs)
567
defense technical information center
50
federal bureau of investigation
44
nasa/langley research center
24
non
8
worldwide pucks production
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Language
2,025
English
3
Dutch
1
Engita
1
Greek
1
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